C Programming Questions Answers - Chapter 1

• 15. Out of following program :
  float x = 10.7;
  int i;
  
  i = (int) x;
  print i;
  

  1. null
  2. error
  3. 10
  4. garbage value

  Answer :

  Option C

• 16. total number of keywords in C are

  1. 30
  2. 32
  3. 48
  4. 132

  Answer :

  Option B

• 17. What is use of \r in c

  1. used to insert a vertical tab
  2. used to insert a tab
  3. places cursor at the end of line
  4. places cursor at the start of line

  Answer :

  Option D

• 18. UML meaning is

  1. Unique modeling language
  2. Unified modeling language
  3. Unified modern language
  4. Unified master laqnguage

  Answer :

  Option B

• 19. What is dangling pointer in c

  1. if pointer is pointing to a memory location from where variable has been deleted
  2. if pointer is assigned to more than one variable
  3. if pointer is not defined properly
  4. none of above

  Answer :

  Option A

• 20. Due to variable scope in c

  1. Variables created in a function cannot be used another function
  2. Variables created in a function can be used in another function
  3. Variables created in a function can only be used in the main function
  4. None of above

  Answer :

  Option A

• 21. What will be the output of following program
  #include
  main()
  {
  int x,y = 10;
  x = y * NULL;
  printf(\"%d\",x);
  }
  

  1. error
  2. 0
  3. 10
  4. Garbage value

  Answer :

  Option B